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Chemical Properties of Promethium and Lithium

Promethium
Lithium
Chemical Properties of Lithium and Promethium


Chemical Properties
Chemical Formula
Pm   
Li   
Isotopes
  
  
Known Isotopes
27   
12
8   
30
Electronegativity
  
  
Pauling Electronegativity
Not Available   
0.98   
99+
Sanderson Electronegativity
Not Available   
0.89   
26
Allred Rochow Electronegativity
1.07   
32
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.97   
19
Allen Electronegativity
Not Available   
0.91   
99+
Electropositivity
  
  
Pauling Electropositivity
Not Available   
3.02   
8
Ionization Energies
  
  
1st Energy Level
540.00 kJ/mol   
99+
520.20 kJ/mol   
99+
2nd Energy Level
1,050.00 kJ/mol   
99+
7,298.10 kJ/mol   
3
3rd Energy Level
2,150.00 kJ/mol   
99+
11,815.00 kJ/mol   
4
4th Energy Level
3,970.00 kJ/mol   
38
Not Available   
Electrochemical Equivalent
1.80 g/amp-hr   
36
0.26 g/amp-hr   
99+
Electron Work Function
Not Available   
2.90 eV   
37
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Corrosion, Flammable, Ionization, Radioactive Isotopes   
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